What happens if urine backs up into the kidneys?

Related questions

1. What is UTI in medical term?
2. What is anuria medical term?
3. What is dysuria medical term?
4. What is the medical term for painful urination?
5. How much pee is normal?
6. Is urinating 20 times a day normal?
7. What is the medical term for urination?
8. What happens when urine stops?
9. What is the medical term for infection of the urinary bladder?
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Tags

1. #untreated
2. #abnormally
3. #kidney
4. #bladder
5. #happens
6. #kidneys
7. #reaches
8. #connect
9. #ureters
10. #tubes
11. #flows
12. #vesicoureteral
13. #scarring
14. #backward
15. #backed
16. #infection
17. #urine
18. #reflux
19. #damage